CONSOLIDATED BALANCE SHEETS (Unaudited) (Parenthetical) (USD $)	Sep. 30, 2012	Dec. 31, 2011
Stockholders' Equity Attributable to Parent [Abstract]
Preferred Stock, Par or Stated Value Per Share	$ 0.02	$ 0.02
Common stock, par value (in dollars per share)	$ 0.02	$ 0.02
Preferred Stock, Shares Authorized	1,000,000	1,000,000
Common stock, authorized (in shares)	29,000,000	29,000,000
Common stock, issued (in shares)	17,061,171	16,863,868
Common stock, outstanding (in shares)	15,353,484	15,156,584
Treasury stock, at cost (in shares)	1,707,687	1,707,284